Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 71, NWS Tallahassee, FL

March 14, 2012Early County, Seminole County, Georgia; Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 14, 2012, 7:17 PM EDT for Early County, Seminole County, Georgia; Houston County, Alabama. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 14, 2012, 7:17 PM EDT (23:17 UTC)
Expired
Mar 14, 2012, 7:45 PM EDT
In force
28 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Houston County, AL, Early County, GA, Seminole County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.3 hours before the alert went out and 103 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2012-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 548 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
548 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1051 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

121 
WUUS52 KTAE 142317
SVRTAE
ALC069-GAC099-253-142345-
/O.NEW.KTAE.SV.W.0071.120314T2317Z-120314T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
617 PM CDT WED MAR 14 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HOUSTON COUNTY IN SOUTHEAST ALABAMA...
  SOUTHWESTERN EARLY COUNTY IN SOUTHWEST GEORGIA...
  NORTHWESTERN SEMINOLE COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 645 PM CDT/745 PM EDT/

* AT 614 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR SAFFOLD...
  AND MOVING SOUTH AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LUCY...CROSBY AND CHATTAHOOCHEE SP

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 3110 8495 3100 8496 3100 8517 3100 8518
      3116 8510
TIME...MOT...LOC 2317Z 022DEG 4KT 3111 8505

$$

42-DVD
2 follow-up statements
066 
WWUS52 KTAE 142330
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
630 PM CDT WED MAR 14 2012

ALC069-GAC099-253-142345-
/O.CON.KTAE.SV.W.0071.000000T0000Z-120314T2345Z/
HOUSTON AL-EARLY GA-SEMINOLE GA-
630 PM CDT WED MAR 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM
CDT/745 PM EDT/ FOR NORTHWESTERN SEMINOLE...EXTREME SOUTH CENTRAL
EARLY AND SOUTHEASTERN HOUSTON COUNTIES...

AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR CROSBY...MOVING SOUTH AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LUCY
AND CHATTAHOOCHEE SP

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3112 8510 3110 8495 3100 8496 3100 8513
TIME...MOT...LOC 2330Z 348DEG 7KT 3107 8506

$$

42-DVD
465 
WWUS52 KTAE 142335
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
635 PM CDT WED MAR 14 2012

ALC069-GAC099-253-142345-
/O.EXP.KTAE.SV.W.0071.000000T0000Z-120314T2345Z/
HOUSTON AL-EARLY GA-SEMINOLE GA-
635 PM CDT WED MAR 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SEMINOLE...
EXTREME SOUTH CENTRAL EARLY AND SOUTHEASTERN HOUSTON COUNTIES WILL
EXPIRE AT 645 PM CDT/745 PM EDT/...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3112 8510 3110 8495 3100 8496 3100 8513
TIME...MOT...LOC 2335Z 348DEG 7KT 3105 8505

$$

42-DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 5:04 PM EDTSpecial Weather StatementTAEBaker26 min
Mar 14, 5:28 PM EDTSpecial Weather StatementTAELowndes32 min
Mar 14, 5:30 PM EDTSpecial Weather StatementTAEMitchell30 min
Mar 14, 5:36 PM EDTSpecial Weather StatementTAEWorth39 min
Mar 14, 5:59 PM EDTSpecial Weather StatementTAEBrooks46 min
Mar 14, 6:21 PM EDTSpecial Weather StatementTAEWorth54 min
Mar 14, 6:39 PM EDTSpecial Weather StatementTAEBrooks36 min
Mar 14, 6:41 PM EDTSevere Thunderstorm WarningTAEWorth34 min
Mar 14, 3:39 AM EDTDense Fog AdvisoryTAECoffee, Dale, Geneva, Houston6 hr
Mar 14, 5:47 PM EDTSpecial Weather StatementTAEHenry28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.